| År | Station | Nationell stationskod | Klassificering | Inlet-id | Antal dygn | Årsmedel Ni in PM10 ng/m³ (MKN=20) | Tidsupplösning |
|---|---|---|---|---|---|---|---|
| 2021 | Bredkälen | 102 | Rural Background | 21 | 309 | 0.10 | Month |
| 2021 | Hallahus | 37089 | Rural-Regional Background | 2107 | 365 | 0.23 | Month |
| 2021 | Norunda Stenen | 159388 | Rural-Regional Background | 4734 | 364 | 0.31 | Month |
| 2021 | Råö | 8105 | Rural Background | 200 | 322 | 0.30 | Month |